Estimation Device of Amount of Oil Coke Deposits in Turbocharger

2. The vehicle control device according to claim 1, wherein, when the estimated value of the amount of oil coke deposits is larger than the predetermined threshold value, the ECU is configured to execute a commanding process of commanding that a user of the vehicle be notified that the turbocharger is in a state requiring maintenance.

3. The vehicle control device according to claim 1, wherein time-series data of the travel state quantities is used as an input into the neural network.

4. The vehicle control device according to claim 1, wherein the travel state quantities include one or more of a vehicle speed, an engine speed, an accelerator pedal operation amount, a fuel injection amount, a supercharging pressure, an intake air flow rate, an outside air temperature, and an intake air temperature.